NDA2014General AbilityGeneral ScienceActual
Which of the following statements about hydrogen is/ are correct? 1. Hydrogen has three isotopes of which protium is the most common. 2. Hydrogen ion ( H ⁺ ) exists freely in solution. 3. Dihydrogen, H ₂ , acts as a reducing agent. Select the correct answer using the code given below.
Options
- A1,2 and 3
- B1 only
- C1 and 3 only
- D3 only
Correct answer
C. 1 and 3 only
Step-by-step solution
No Solution Available